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Radiant|Lab Grown|IGI

3.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG697504753

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG697504753

Diamond specifications and retailer prices

From $2,704 NZD
$1,524 USD
As of October 29, 2026
Save $12,821 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,525 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.51ct lab-grown radiant diamond

This 3.51ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG697504753 or 697504753. Listed at 20 retailers as of October 29, 2026, with prices from $2,704 to $15,525, a $12,821 spread on the same certified stone. Brilliant Earth lists it at $15,525. 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

3.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697504753
Dimensions10.82 × 7.14 × 4.95 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm7.14 mm3.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697504753
Side View
Table 64.0%Crown 45.7°Girdle: MED-STKPavilion 30.3°Culet: NoneDepth 69.3%

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 29
Current: $15,525 NZD|Low: $2,443 NZD|High: $20,706 NZD|Avg: $6,173 NZD|-25.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 14$2,443 NZD
Retailer 15$2,569 NZD
Retailer 11$2,605 NZD
Retailer 17$2,704 NZD
Retailer 22$2,892 NZD
Retailer 5$2,998 NZD
Retailer 4$3,036 NZD
Retailer 2$3,640 NZD
Retailer 18$3,705 NZD
Retailer 19$4,117 NZD
Retailer 3$4,826 NZD
Retailer 13$6,012 NZD
Retailer 21$6,246 NZD
Retailer 20$7,115 NZD
Retailer 6$7,390 NZD
Retailer 7$8,109 NZD
Retailer 16$8,364 NZD
Retailer 8$8,668 NZD
Retailer 9$9,084 NZD
Retailer 10$10,136 NZD
Retailer 12$11,010 NZD
Brilliant Earth$15,525 NZD

32 data points across 22 retailers

20 retailers$2,704 NZD to $15,525 NZD

A
Cheapest Retailer
-
$2,704 NZD
$1,524 USD
Final sale: no returns
A
Retailer 2
-
$2,892 NZD
$1,630 USD
View
A
Retailer 3
-
$2,998 NZD
HK$13,200 HKD
View
A
Retailer 4
-
$3,036 NZD
$1,711 USD
View
A
Retailer 5
-
$3,640 NZD
£1,615 GBP
View
A
Retailer 6
-
$3,705 NZD
$2,088 USD
View
Retailer 7
-
$4,117 NZD
€2,210 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$4,826 NZD
$2,720 USD
View
A
Retailer 9
-
$6,012 NZD
ZAR 54,744 ZAR
View
A
Retailer 10
-
$6,246 NZD
£2,772 GBP
View
B+
Retailer 11
-
$7,115 NZD
$4,010 USD
View
B+
Retailer 12
-
$7,390 NZD
$4,165 USD
View
B+
Retailer 13
-
$8,109 NZD
$4,570 USD
View
B+
Retailer 14
-
$8,364 NZD
£3,712 GBP
View
B+
Retailer 15
-
$8,668 NZD
SGD 6,602 SGD
View
B+
Retailer 16
-
$9,084 NZD
$5,120 USD
View
Retailer 17
-
$10,136 NZD
A$8,789 AUD
View
Price last confirmed 32 days ago
Retailer 18
-
$10,234 NZD
$5,768 USD
View
Price last confirmed 95 days ago
Retailer 19
-
$11,010 NZD
$6,205 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
13779104A · Oct 30
$15,525 NZD
$8,750 USD
View
19 more retailers have this diamond
Prices start from $2,704 NZDSave up to $12,821 NZD

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
3.51ct Radiant
$2,704 NZD