Round|Lab Grown|GIA

4.28ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 2534729503

Certificate GIA 2534729503

Diamond specifications and retailer prices

From $5,132 USD
As of October 30, 2026
Save $27,590 USD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $36,640 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown round diamond

This 4.28ct lab-grown round 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 GIA 2534729503. Listed at 23 retailers as of October 29, 2026, with a 538% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.28
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 2534729503
Dimensions10.36 × 10.38 × 6.46 mm
L/W Ratio1.00
Top View
10.36 mm10.38 mm4.28 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534729503
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°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: Oct 30
Current: $36,640 USD|Low: $5,113 USD|High: $39,860 USD|Avg: $14,783 USD|-0.5%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 11$5,132 USD
Retailer 3$5,326 USD
Retailer 9$5,582 USD
Retailer 8$5,744 USD
Retailer 4$6,178 USD
Retailer 6$6,178 USD
Retailer 21$6,190 USD
Retailer 20$8,085 USD
Retailer 7$8,095 USD
Retailer 10$8,934 USD
Retailer 19$10,000 USD
Retailer 18$10,728 USD
Retailer 13$13,951 USD
Retailer 5$15,706 USD
Retailer 16$15,730 USD
Retailer 15$17,027 USD
Retailer 2$18,810 USD
Retailer 17$18,810 USD
Retailer 14$23,874 USD
Retailer 22$24,020 USD
Retailer 12$32,722 USD
Do Amore Diamonds$36,640 USD

31 data points across 22 retailers

23 retailers$5,132 USD to $32,722 USD

A
Cheapest Retailer
-
$5,132 USD
A
Retailer 2
-
$5,326 USD
View
A
Retailer 3
-
$5,582 USD
View
A
Retailer 4
-
$5,744 USD
View
Retailer 5
-
$6,178 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$6,178 USD
View
A
Retailer 7
-
$6,190 USD
View
Retailer 8
-
$8,085 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$8,095 USD
View
B+
Retailer 10
-
$8,934 USD
View
B+
Retailer 11
-
$10,000 USD
View
B+
Retailer 12
-
$10,728 USD
€10,217 EUR
View
B+
Retailer 13
-
$13,951 USD
£10,985 GBP
View
B
Retailer 14
-
$15,706 USD
View
B+
Retailer 15
-
$15,730 USD
View
B
Retailer 16
-
$17,027 USD
View
B
Retailer 17
-
$18,171 USD
View
B+
Retailer 18
-
$18,810 USD
View
Retailer 19
-
$18,810 USD
View
Price under review
B
Retailer 20
-
$23,874 USD
View
B
Retailer 21
-
$24,020 USD
View
B
Retailer 22
-
$32,722 USD
View
Most Expensive
Do Amore Diamonds
27-C42838ADE · Oct 29
$36,640 USD
View
Price under review
22 more retailers have this diamond
Prices start from $5,132 USDSave up to $27,590 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.28ct Round
$5,132 USD