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Round|Lab Grown|IGI

3.65ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG804658133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804658133

Diamond specifications and retailer prices

From $3,501 NZD
$1,973 USD
As of November 1, 2026
Save $19,849 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $23,350 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.65ct lab-grown round diamond

This 3.65ct lab-grown round 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 LG804658133 or 804658133. Listed at 22 retailers as of October 31, 2026, with prices from $3,501 to $23,350, a $19,849 spread on the same certified stone. Brilliant Earth lists it at $23,350. 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

3.65
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804658133
Dimensions9.86 × 9.81 × 6.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.86 mm9.81 mm3.65 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804658133
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $23,350 NZD|Low: $3,501 NZD|High: $27,289 NZD|Avg: $8,602 NZD|-14.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 6$3,501 NZD
Retailer 20$3,808 NZD
Retailer 21$3,919 NZD
Retailer 4$4,060 NZD
Retailer 14$4,253 NZD
Retailer 12$4,342 NZD
Retailer 17$4,356 NZD
Retailer 13$5,563 NZD
Retailer 8$5,580 NZD
Retailer 19$6,109 NZD
Retailer 7$6,356 NZD
Retailer 15$6,452 NZD
Retailer 3$6,666 NZD
Retailer 16$9,428 NZD
Retailer 18$10,532 NZD
Retailer 9$11,151 NZD
Retailer 2$11,596 NZD
Retailer 10$13,642 NZD
Retailer 5$14,211 NZD
Retailer 11$14,940 NZD
Brilliant Earth$23,350 NZD

30 data points across 21 retailers

22 retailers$3,501 NZD to $23,350 NZD

A
Cheapest Retailer
-
$3,501 NZD
$1,973 USD
A
Retailer 2
-
$3,808 NZD
$2,146 USD
View
A
Retailer 3
-
$3,919 NZD
$2,209 USD
View
Final sale: no returns
A
Retailer 4
-
$4,060 NZD
$2,288 USD
View
Retailer 5
-
$4,253 NZD
$2,397 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$4,342 NZD
$2,447 USD
View
A
Retailer 7
-
$4,356 NZD
$2,455 USD
View
A
Retailer 8
-
$5,563 NZD
£2,469 GBP
View
A
Retailer 9
-
$5,580 NZD
$3,145 USD
View
A
Retailer 10
-
$6,109 NZD
$3,443 USD
View
B+
Retailer 11
-
$6,356 NZD
$3,582 USD
View
B+
Retailer 12
-
$6,452 NZD
€3,463 EUR
View
B+
Retailer 13
-
$6,666 NZD
$3,757 USD
View
B+
Retailer 14
-
$9,428 NZD
ZAR 85,841 ZAR
View
B+
Retailer 15
-
$10,532 NZD
$5,936 USD
View
B+
Retailer 16
-
$10,601 NZD
$5,975 USD
View
B+
Retailer 17
-
$11,151 NZD
$6,285 USD
View
B+
Retailer 18
-
$11,596 NZD
£5,146 GBP
View
B+
Retailer 19
-
$13,642 NZD
SGD 10,390 SGD
View
B+
Retailer 20
-
$14,211 NZD
$8,009 USD
View
B+
Retailer 21
-
$14,940 NZD
$8,420 USD
View
Most Expensive
B
Brilliant Earth
21420536A · Oct 31
$23,350 NZD
$13,160 USD
View
21 more retailers have this diamond
Prices start from $3,501 NZDSave up to $19,849 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
3.65ct Round
$3,501 NZD