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Oval|Lab Grown|IGI

3.70ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG800634350

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG800634350

Diamond specifications and retailer prices

From $2,695 AUD
$1,893 USD
As of October 31, 2026
Save $10,274 AUD (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,969 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.7ct lab-grown oval diamond

This 3.7ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800634350 or 800634350. Listed at 24 retailers as of October 31, 2026, with prices from $2,695 to $12,969, a $10,274 spread on the same certified stone. Brilliant Earth lists it at $12,969. 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

3.70
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800634350
Dimensions12.46 × 8.69 × 5.44 mm
L/W Ratio1.43
Girdle conditionFaceted
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
12.46 mm8.69 mm3.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800634350
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $12,969 AUD|Low: $2,695 AUD|High: $20,728 AUD|Avg: $6,808 AUD|-37.4%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 21$2,695 AUD
Retailer 19$2,775 AUD
Retailer 17$2,874 AUD
Retailer 13$3,180 AUD
Retailer 14$3,232 AUD
Retailer 8$3,316 AUD
Retailer 22$3,417 AUD
Retailer 15$3,748 AUD
Retailer 2$4,041 AUD
Retailer 5$4,402 AUD
Retailer 20$5,387 AUD
Retailer 12$5,502 AUD
Retailer 18$5,936 AUD
Retailer 3$5,945 AUD
Retailer 16$6,746 AUD
Retailer 6$7,744 AUD
Retailer 10$8,705 AUD
Retailer 4$9,596 AUD
Retailer 7$10,078 AUD
Retailer 11$10,226 AUD
Retailer 9$10,495 AUD
Brilliant Earth$12,969 AUD

35 data points across 22 retailers

24 retailers$2,695 AUD to $12,969 AUD

A
Cheapest Retailer
-
$2,695 AUD
$1,893 USD
A
Retailer 2
-
$2,775 AUD
$1,949 USD
View
Final sale: no returns
A
Retailer 3
-
$2,874 AUD
$2,019 USD
View
A
Retailer 4
-
$3,180 AUD
$2,234 USD
View
A
Retailer 5
-
$3,232 AUD
$2,270 USD
View
A
Retailer 6
-
$3,316 AUD
HK$18,200 HKD
View
A
Retailer 7
-
$3,417 AUD
$2,400 USD
View
Retailer 8
-
$3,748 AUD
$2,633 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$4,041 AUD
£2,235 GBP
View
A
Retailer 10
-
$4,402 AUD
$3,092 USD
View
B+
Retailer 11
-
$5,387 AUD
$3,784 USD
View
B+
Retailer 12
-
$5,502 AUD
$3,865 USD
View
B+
Retailer 13
-
$5,936 AUD
€3,971 EUR
View
B+
Retailer 14
-
$5,945 AUD
£3,288 GBP
View
B+
Retailer 15
-
$6,746 AUD
$4,739 USD
View
B+
Retailer 16
-
$7,398 AUD
$5,197 USD
View
B+
Retailer 17
-
$7,744 AUD
$5,440 USD
View
B+
Retailer 18
-
$8,705 AUD
ZAR 98,786 ZAR
View
B
Retailer 19
-
$9,596 AUD
SGD 9,109 SGD
View
B
Retailer 20
-
$10,078 AUD
$7,080 USD
View
B+
Retailer 21
-
$10,226 AUD
£5,656 GBP
View
B
Retailer 22
-
$10,495 AUD
$7,372 USD
View
B
Retailer 23
-
$11,103 AUD
$7,799 USD
View
Most Expensive
B
Brilliant Earth
20322811A · Oct 31
$12,969 AUD
$9,110 USD
View
23 more retailers have this diamond
Prices start from $2,695 AUDSave up to $10,274 AUD

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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.70ct Oval
$2,695 AUD