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Oval|Lab Grown|IGI

3.28ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG687598614

Certificate IGI LG687598614

Diamond specifications and retailer prices

From $1,109 USD
Save $12,971 USD (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $14,080 USD at Brilliant Earth
View at Brilliant Earth

About this 3.28ct lab-grown oval diamond

This 3.28ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG687598614 or 687598614. Listed at 25 retailers, with prices from $1,109 to $14,080 at Brilliant Earth, a $12,971 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.28
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687598614
Dimensions12.04 × 8.51 × 5.25 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.04 mm8.51 mm3.28 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687598614
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 2
Current: $14,080 USD|Low: $923 USD|High: $15,780 USD|Avg: $4,169 USD|-10.8%
Brilliant Earth
Retailer 2
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Retailer 24
October 2, 2026
Retailer 13$1,109 USD
Retailer 22$1,257 USD
Retailer 5$1,294 USD
Retailer 3$1,322 USD
Retailer 6$1,340 USD
Retailer 9$1,495 USD
Retailer 24$1,602 USD
Retailer 15$1,779 USD
Retailer 8$2,039 USD
Retailer 18$2,135 USD
Retailer 12$2,582 USD
Retailer 11$2,641 USD
Retailer 21$2,773 USD
Retailer 4$3,355 USD
Retailer 7$3,566 USD
Retailer 2$3,880 USD
Retailer 14$4,199 USD
Retailer 19$4,811 USD
Retailer 23$5,159 USD
Retailer 17$5,250 USD
Retailer 20$5,580 USD
Retailer 10$6,566 USD
Retailer 16$10,260 USD
Brilliant Earth$14,080 USD

35 data points across 24 retailers

25 retailers$1,109 USD to $14,080 USD

A
Cheapest Retailer
-
$1,109 USD
A
Retailer 2
-
$1,257 USD
View
A
Retailer 3
-
$1,294 USD
View
A
Retailer 4
-
$1,322 USD
View
A
Retailer 5
-
$1,340 USD
View
A
Retailer 6
-
$1,495 USD
View
A
Retailer 7
-
$1,602 USD
View
A
Retailer 8
-
$1,779 USD
HK$13,900 HKD
View
A
Retailer 9
-
$2,039 USD
View
A
Retailer 10
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$2,140 USD
£1,685 GBP
View
A
Retailer 11
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$2,582 USD
View
A
Retailer 12
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$2,641 USD
View
A
Retailer 13
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$2,773 USD
View
A
Retailer 14
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$3,355 USD
ZAR 54,208 ZAR
View
Price last confirmed 10 days ago
A
Retailer 15
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$3,566 USD
£2,808 GBP
View
B+
Retailer 16
-
$3,880 USD
View
B+
Retailer 17
-
$4,199 USD
View
B+
Retailer 18
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$4,535 USD
View
B+
Retailer 19
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$4,811 USD
£3,788 GBP
View
B+
Retailer 20
-
$5,159 USD
SGD 6,971 SGD
View
B+
Retailer 21
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$5,250 USD
View
B+
Retailer 22
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$5,580 USD
View
B+
Retailer 23
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$6,566 USD
£5,170 GBP
View
B
Retailer 24
-
$10,260 USD
View
Most Expensive
B
Brilliant Earth
20152767Y · Oct 1
$14,080 USD
View
24 more retailers have this diamond
Prices start from $1,109 USDSave up to $12,971 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
3.28ct Oval
$1,109 USD