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Round|Lab Grown|GIA

5.09ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6531730137

Certificate GIA 6531730137

Diamond specifications and retailer prices

From $18,560 USD
Save $26,516 USD (59%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $45,076 USD at Brilliance
View at Brilliance

About this 5.09ct lab-grown round diamond

This 5.09ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6531730137. Listed at 20 retailers, with prices from $18,560 to $45,076 at Brilliance, a $26,516 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

5.09
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 6531730137
Dimensions11.06 × 11.00 × 6.80 mm
L/W Ratio1.01
Top View
11.06 mm11.00 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531730137
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $45,076 USD|Low: $14,564 USD|High: $62,485 USD|Avg: $32,233 USD
Brilliance
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
Retailer 22
October 1, 2026
Retailer 14$14,564 USD
Retailer 20$18,560 USD
Retailer 22$19,264 USD
Retailer 21$19,419 USD
Retailer 15$20,198 USD
Retailer 8$20,337 USD
Retailer 3$20,943 USD
Retailer 2$21,575 USD
Retailer 4$22,038 USD
Retailer 9$22,524 USD
Retailer 12$23,710 USD
Retailer 18$24,071 USD
Retailer 7$32,140 USD
Retailer 19$34,717 USD
Retailer 13$37,451 USD
Retailer 6$37,972 USD
Retailer 16$42,871 USD
Retailer 17$44,581 USD
Brilliance$45,076 USD
Retailer 11$53,193 USD
Retailer 10$57,760 USD
Retailer 5$62,485 USD

31 data points across 22 retailers

20 retailers$18,560 USD to $45,076 USD

B+
Cheapest Retailer
-
$18,560 USD
Retailer 2
-
$19,264 USD
View
Retailer 3
-
$19,419 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$20,337 USD
View
Retailer 5
-
$20,943 USD
View
B
Retailer 6
-
$21,575 USD
View
Retailer 7
-
$22,038 USD
View
B+
Retailer 8
-
$22,524 USD
View
B+
Retailer 9
-
$23,710 USD
View
B+
Retailer 10
-
$24,124 USD
£18,996 GBP
View
Retailer 11
-
$32,140 USD
View
B+
Retailer 12
-
$34,717 USD
£27,336 GBP
View
B+
Retailer 13
-
$37,451 USD
€35,668 EUR
View
B
Retailer 14
-
$37,972 USD
A$58,418 AUD
View
B
Retailer 15
-
$42,871 USD
A$65,956 AUD
View
B
Retailer 16
-
$44,581 USD
ZAR 720,209 ZAR
View
Most Expensive
B
Brilliance
D36476385 · Oct 1
$45,076 USD
View
16 more retailers have this diamond
Prices start from $18,560 USDSave up to $26,516 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.

B+
5.09ct Round
$18,560 USD